private void filed_changed(object sender, SelectionChangedEventArgs e)
{
var controlop = new ControlAndOperator();
var pinfo = field_cb.SelectedValue as PropertyInfo;
var ctlcontext = new FormItemContext(_type, pinfo);
controlop.InputControl = InputControlBuilder.CreateControl(ctlcontext);
if (pinfo.PropertyType.Name.Equals("string", StringComparison.OrdinalIgnoreCase))
{
controlop.UseStringOperator = true;
}
else
{
controlop.UseNumberOperator = true;
}
if (CreateControlCallback != null)
{
controlop = CreateControlCallback(ctlcontext, controlop);
}
_bindobject = Activator.CreateInstance(_type);
controlop.InputControl.DataContext = _bindobject;
input_br.Child = controlop.InputControl;
operator_cb.ItemsSource = null;
if (controlop.UseStringOperator)
{
operator_cb.ItemsSource = EnumNameValuePair.EnumToList(typeof(StringOperator));
}
else if (controlop.UseNumberOperator)
{
operator_cb.ItemsSource = EnumNameValuePair.EnumToList(typeof(NumberOperator));
}
operator_cb.SelectedIndex = 0;
if (pinfo.PropertyType.IsEnum)
{
operator_cb.IsEnabled = false;
}
else
{
operator_cb.IsEnabled = true;
}
}
public override FrameworkElement CreateControl(FormItemContext context)
{
ComboBox cb = new ComboBox();
var enumtype = context.PropertyInfo.PropertyType;
var source = EnumNameValuePair.EnumToList(enumtype);
cb.ItemsSource = source;
cb.SelectedValuePath = "Value";
var binding = new Binding(context.PropertyInfo.Name)
{
Mode = BindingMode.TwoWay,
};
binding.ValidationRules.Add(new AnnotationValidationRule(context.PropertyInfo));
cb.SetBinding(ComboBox.SelectedValueProperty, binding);
CustomValidation.SetValidationProperty(cb, ComboBox.SelectedValueProperty);
StyleHelper.ApplyStyle(cb, FormControlConstrants.EDIT_COMBO_STYLE);
return(cb);
}
void Initialize(Type datatype)
{
var logiclist = EnumNameValuePair.EnumToList(typeof(Logical));
logic_cb.ItemsSource = logiclist;
if (IsFirstRow)
{
logic_cb.IsEnabled = false;
}
else
{
logic_cb.IsEnabled = true;
logic_cb.SelectedIndex = 0;
}
var proplist = PropertyNameValuePair.TypeToList(datatype);
if (DetermineFieldCallback != null)
{
proplist = DetermineFieldCallback(datatype, proplist);
}
field_cb.ItemsSource = proplist;
field_cb.SelectedIndex = 0;
}
